It's 1942. Rubber is a valuable commodity during WW2. Eddie Delaney is a second lieutenant in the army, but also a private detective. Eddy swings into action, when his father, police-sergeant Timothy J. Delaney, is gunned down by rubber racketeers.
An ex-con is murdered in Yellowstone National Park while a bank robber's son is searching for the loot his father hid there 20 years before.
After a politician's daughter is kidnapped by a ruthless gang, a brutal policewoman is released from jail and sent after them.